AABES COMP HP 4250/4240 MAINT KIT OP - 4350 / OEM PARTS. For Service and Support, Quantity Discounts and Quotes, please call 1-800-203-0233 or email paul@machine-solution.com. Small Minority Woman Owned Business. ProSource Packaging, Inc. AABES-Q5421A-RO, UPC: 610098687283. GSA.Machine-Solution.com Brand Products - Partner with Industry Specialists for unparalleled Service and Support.